Build Your Business Like a PRO With K18REPAIR™
How to make more money with every service and keep clients coming back by delivering healthier hair through every transformation. Read More
4 ways K18REPAIR™ builds your salon business
Why top stylists trust this exclusive service to deliver results and keep clients coming back. Read More
step into our NEW K18 virtual salon game
Try K18REPAIR™ in different services, prep for certification, get exclusive education, and more. Read More
How to Build Your Clients’ Take-Home Routines with K18 Mask + DAMAGE SHIELD
A PRO’s top tips for building your clients’ take-home routines Read More
how to detangle hair after a lightening service (and send clients home with a new routine)
Color specialist Tabitha Dueñas breaks down her go-to strategy for you step by step. Read More
How to Talk To Your Clients About DAMAGE SHIELD protective conditioner
Discover how to educate + retail weightless conditioning protection to every client. Read Morecontributors
Karl Schmieder
Karl is a biochemist + the CEO of MessagingLab, a company that works with other Scientists to help them tell their...
Heleen Kibbelaar
Heleen holds a bachelor's and master's degree in (physical) chemistry from the University of Amsterdam and Utrecht University in the Netherlands....
Aura Friedman
You name ‘em, Aura has colored their hair. From celebrities like Lady Gaga, magazines like Teen Vogue, and the...
Christine Thompson
As a professional colorist at Spoke & Weal in Los Angeles, Christine specializes in corrective color, color change, and working...
Esther Olu
Esther Olu is an R&D formulation scientist, esthetician, educator, science communicator who is a passionate advocate for dispelling misinformation within the...
